Folding knife



FIG. 1 is a front perspective view of a folding knife, showing our newdesign;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines depict portions of the folding knife in which thedesign is embodied that form no part of the claimed design.

CLAIM We claim the ornamental design for a folding knife, as shown anddescribed.